Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando o total de vencedores era menor que 2 e 2 mulheres ganharam, qual é a média dos vencedores da meia maratona masculina?
 ###Tabelas: CREATE TABLE highest_critically_reviewed_albums_metacritic (highest_critically_reviewed_albums_metacritic_id AUTO_INCREMENT PRIMARY KEY, Number INT, Artist VARCHAR, Album VARCHAR, Average score INT, Number of reviews VARCHAR) CREATE TABLE largest_margin_of_runs_victory (largest_margin_of_runs_victory_id AUTO_INCREMENT PRIMARY KEY, Score VARCHAR, Opposition VARCHAR, Venue VARCHAR, City VARCHAR, Year INT) CREATE TABLE week_two (week_two_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Time VARCHAR, Visiting team VARCHAR, Home team VARCHAR, Site VARCHAR, Broadcast VARCHAR, Result VARCHAR, Attendance INT) CREATE TABLE winners_by_country (winners_by_country_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Total INT, Marathon (men's) INT, Marathon (women's) INT, Half Marathon (men's) INT, Half Marathon (women's) INT) CREATE TABLE amateur_draft (amateur_draft_id AUTO_INCREMENT PRIMARY KEY, Round INT, Pick INT, Player VARCHAR, Nationality VARCHAR, College/junior/club team VARCHAR)  
SELECT AVG Half Marathon (men's) FROM winners_by_country WHERE Marathon (women's) = 2 AND Total < 2